On Thu, Jan 31, 2002 at 07:22:25PM -0800, Terry Lambert wrote:
> Peter Wemm wrote:
> > We need to use the PAT cpu_features feature.  This gives us 8 page attribute
> > modes instead of simple no-cache / writethrough flags.  We can (and must)
> > control more carefully the speculative hardware prefetch, for example.
> > 
> > I've been thinking about this with the pmap revamp that I'm working on.
> > It may solve the athlon problems too.
> This sounds cool.
> Do you have references to the page attribute stuff?  The
> books I have here don't discuss it; the only thing I see
> are 3 bits (9,10,11) that are "available" in the PDE and
> PTE?

Well, twice in this thread you've offered info for
$10000.  I'm sure Peter can reciprocate with the 
info you seek for a similar price.


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